Recommendations to improve the accuracy of estimates of physical activity derived from self report.
Recommendations to improve the accuracy of estimates of physical activity derived from self report.
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DOI：
10.1123/jpah.9.s1.s76
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发表时间：
2012-01
影响因子：
3.1
通讯作者：
Zhu W
中科院分区：
文献类型：
--
作者：
Ainsworth BE;Caspersen CJ;Matthews CE;Mâsse LC;Baranowski T;Zhu W
使用自我报告对身体活动进行评估有可能产生测量误差，从而导致对身体活动行为的不正确推断和研究结果的偏差。为提高自我报告中体力活动的准确性提供建议。我们提供了本文作者和工作组成员分享的演讲概述和观点汇编。我们确定了一个概念性框架，以减少使用身体活动自我报告问卷的错误。该框架确定了减少误差的六个步骤：(1)确定测量身体活动的需要，(2)选择工具，(3)收集数据，(4)分析数据，(5)制定总结分数，(6)解释数据。前四个步骤的基础是行为参数，包括所进行的身体活动的类型、强度、频率和持续时间、活动域和进行活动的地点。我们确定了减少每一步测量误差的方法，并为从业者、研究人员和组织单位提出了减少体育活动问卷评估误差的建议。身体活动的自我报告措施在研究和实践环境中具有突出作用。应用本文所讨论的框架可以减小测量误差。
Assessment of physical activity using self-report has the potential for measurement error that can lead to incorrect inferences about physical activity behaviors and bias study results. To provide recommendations to improve the accuracy of physical activity derived from self report. We provide an overview of presentations and a compilation of perspectives shared by the authors of this paper and workgroup members. We identified a conceptual framework for reducing errors using physical activity self-report questionnaires. The framework identifies six steps to reduce error: (1) identifying the need to measure physical activity, (2) selecting an instrument, (3) collecting data, (4) analyzing data, (5) developing a summary score, and (6) interpreting data. Underlying the first four steps are behavioral parameters of type, intensity, frequency, and duration of physical activities performed, activity domains, and the location where activities are performed. We identified ways to reduce measurement error at each step and made recommendations for practitioners, researchers, and organizational units to reduce error in questionnaire assessment of physical activity. Self-report measures of physical activity have a prominent role in research and practice settings. Measurement error can be reduced by applying the framework discussed in this paper.
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影响因子：
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作者：
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通讯作者：
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影响因子：
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影响因子：
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DOI：
10.1097/00005768-200208000-00012
发表时间：
2002-08-01
期刊：
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影响因子：
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作者：
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DOI：
10.1249/mss.0b013e31821ece12
发表时间：
2011-08-01
期刊：
MEDICINE AND SCIENCE IN SPORTS AND EXERCISE
影响因子：
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作者：
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